// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

#pragma once

#include <shared_mutex>
#include <cantor/catalog/factory/table_info.h>
#include <cantor/catalog/factory/storage.h>
#include <memory>
#include <turbo/container/flat_hash_map.h>
#include <turbo/container/flat_hash_set.h>

namespace cantor::catalog {
    class TableQuerier;

    class DatabaseManager;

    class TableManager {
    public:
        TableManager() = default;

        turbo::Status create_table(std::shared_ptr<TableInfo> info, CatalogStorage *storage,
                                      DatabaseManager *ns_manager);

        turbo::Status remove_table(const std::string &db_name, CatalogStorage *storage,
                                      DatabaseManager *ns_manager);

        turbo::Status update_table(std::shared_ptr<TableInfo> info, CatalogStorage *storage);

        void set_max_id(const int64_t max_id);

    private:
        friend class TableQuerier;

        int64_t _max_table_id{0};
        std::shared_mutex _mutex;
        turbo::flat_hash_map<int64_t, std::shared_ptr<TableInfo> > _table_map;
        turbo::flat_hash_map<std::string, int64_t> _table_id_map;
    };
} // database cantor::catalog
